National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

63°F

17°C

Humidity 84%
Wind Speed N 3 mph
Barometer 30.15 in (1020.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 May 11:56 pm EDT
Extended Forecast for

2 Miles SW Grant Mills NY

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. South wind 3 to 8 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South wind 3 to 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. West wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Southwest wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Calm wind.
Monday
Sunny, with a high near 81. South wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 62. South wind 3 to 5 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. West wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 62. Southwest wind around 6 mph.
Wednesday
Showers, with thunderstorms also possible after 11am. High near 76. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 40.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Grant Mills NY
 42.06°N 74.71°W (Elev. 2201 ft)
Last Update:
2:30 pm EDT May 17, 2026
Forecast Valid:
12am EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation